The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 1992
Filed:
May. 30, 1990
Applicant:
Inventor:
Bernard Grattier, Dardilly, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C / ;
U.S. Cl.
CPC ...
376352 ; 376313 ; 376437 ;
Abstract
The particle retaining device comprises a plurality of tubes (18) parallel to fuel rods (14) of the fuel assembly, in all gaps between adjacent fuel rods (14) and throughout the length of a zone located between the upper part of a bottom nozzle (2) and the lower part of the spacer grid which is closest to the bottom nozzle (2).